If tall (D) is dominant to dwarf (d) in plants and two homozygous varieties DD and dd are crossed, then what kind of offspring will be produced?
A)all intermediate height
B)all tall
C)all dwarf
D)1/2 tall, 1/2 dwarf
E)3/4 tall, 1/4 dwarf

Question

Quizplus · Accepted Answer

When two homozygous varieties DD (tall) and dd (dwarf) are crossed, all of the offspring will be heterozygous Dd (tall). Since the dominant allele (D) masks the recessive allele (d), all of the offspring will exhibit the tall phenotype.

If Tall (D) Is Dominant to Dwarf (D) in Plants